In Freud’s model of
the mind, it is the id that contains a pool of primal psychic energy. It is the
id that paves way into how we deal with the everyday pleasures of our lives. The
id is governed by the pleasure principle were it is highly motivated for doing
pleasurable things like hunger, sex, thirst, and many more. It is considered to
house primal psychic energy because it is primarily consisted of all the inherited
biological aspects that are necessary in our lives. Since it contains the
pleasure principle, it is responsible for our impulses as well.
Lower frequency for both dewlap extension and pushups. In the presence of predators and females an increase in the dewlap frequency and pushups is expected as a result of defense and breeding mechanisms mixed while in the second situation we have just breeding mechanisms involved
A mutation occurs during the development of muscle cells but not in blood cells. Different genes are activated in muscle cells than in blood cells. Muscle cells experience different environmental influences than blood cells.
The age of the solar system, derived from the study of meteorites (thought to be the oldest accessible material around) is near 5 billion years; that of the Earth is taken as 4.6 billion years. The oldest rocks on Earth are dated as 3.8 billion years.
